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75 lines
2.2 KiB
75 lines
2.2 KiB
/* |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* A public API for Vorbis parsing |
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* |
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* Determines the duration for each packet. |
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*/ |
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#ifndef AVCODEC_VORBIS_PARSE_H |
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#define AVCODEC_VORBIS_PARSE_H |
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typedef struct AVVorbisParseContext AVVorbisParseContext; |
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/** |
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* Allocate and initialize the Vorbis parser using headers in the extradata. |
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* |
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* @param avctx codec context |
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* @param s Vorbis parser context |
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*/ |
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AVVorbisParseContext *av_vorbis_parse_init(const uint8_t *extradata, |
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int extradata_size); |
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/** |
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* Free the parser and everything associated with it. |
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*/ |
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void av_vorbis_parse_free(AVVorbisParseContext **s); |
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#define VORBIS_FLAG_HEADER 0x00000001 |
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#define VORBIS_FLAG_COMMENT 0x00000002 |
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/** |
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* Get the duration for a Vorbis packet. |
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* |
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* If @p flags is @c NULL, |
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* special frames are considered invalid. |
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* |
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* @param s Vorbis parser context |
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* @param buf buffer containing a Vorbis frame |
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* @param buf_size size of the buffer |
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* @param flags flags for special frames |
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*/ |
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int av_vorbis_parse_frame_flags(AVVorbisParseContext *s, const uint8_t *buf, |
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int buf_size, int *flags); |
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/** |
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* Get the duration for a Vorbis packet. |
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* |
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* @param s Vorbis parser context |
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* @param buf buffer containing a Vorbis frame |
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* @param buf_size size of the buffer |
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*/ |
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int av_vorbis_parse_frame(AVVorbisParseContext *s, const uint8_t *buf, |
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int buf_size); |
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void av_vorbis_parse_reset(AVVorbisParseContext *s); |
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#endif /* AVCODEC_VORBIS_PARSE_H */
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